About: http://webisa.webdatacommons.org/297600462

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The Challenge is a commitment to try alternate transportation for one day during the sign-up period, which ends May 15.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov